14.Ketamine hydrochloride (Ketalar): most commonly used dissociative agent; given via IM or IV; does not produce relaxation or reduce reflexes; causes flashbacks; only used on children 2-10 years of age

15.Morphine sulfate: used for control of severe pain; given IM as preop sedative/analgesic or postop analgesic, IV as anesthetic agent, or intrathecally via spinal administration

16.nitrous oxide: a clear, colorless gas with a subtle fruity odor and is the only true gas still in use

17.opiate/opioids: group of narcotics classified as analgesics which also produce sedation

18.oxygen: not classified as an anesthetic agent but is a component of most anesthetic administrations

19.Propofol: Diprivan; sedative-hypnotic agent introduced into anesthesia practice in early 90's; named milk of amnesia; agent of choice on day admission patients and short procedures